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Troubleshooting
8-2-61. Indoor unit freezing protection
Outdoor unit display
Indoor unit display
Judgment method
Causes
(Operation)
(Timer)
(Fan)
(Filter)
(Removing frost)
- When the temperature of indoor unit heat exchanger on cooling operation maintains
-
over 5 minutes below -4˚C
- Indoor fan motor defect or lock
- EEV open error
Yes
Yes
Yes
Check the indoor unit detected
freezing.
Error reset(KEY3)
It is completed to check the system.
Test operation for every
room(KEY 4)
Operate a corresponding
indoor unit.
Remove the obstacles of
corresponding indoor unit and clean
the dust filter.
Does operate normally the
indoor unit fan motor?
Is the voltage of PCB fan
motor output terminal normal?
Replace the motor after checking
the connection wire of fan motor.
After checking the quantity of
refrigerant, if needed recharge
the refrigerant.
Restart after PCB
exchange.
Is high/low pressure normal ?
✳
If the outdoor temperature is so low(below -5˚C) or a number of indoor unit is off simultaneously, the indoor unit can be frozen in an instant.
No
No
No
DB98-17816A(1)_8 3/2/04 9:35 AM Page 229
Summary of Contents for DVM Series
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Page 280: ... 279 Exploded Views and Parts List 31 1 56 1 31 5 31 4 31 3 31 2 56 2 57 ...
Page 281: ... 280 Exploded Views and Parts List 9 F Type cont 31 1 56 1 31 5 31 4 31 3 31 2 56 2 57 ...
Page 285: ... 284 Exploded Views and Parts List 9 ...
Page 287: ... 286 Exploded Views and Parts List 9 31 1 31 4 31 2 31 5 31 6 31 3 57 1 57 2 58 G Type cont ...
Page 291: ... 290 Exploded Views and Parts List 9 ...
Page 292: ... 291 Exploded Views and Parts List 31 1 31 6 31 5 31 4 31 2 31 3 62 1 62 2 63 1 63 2 ...
Page 298: ... 297 Exploded Views and Parts List 31 1 31 6 31 5 31 4 31 2 61 1 61 2 62 1 65 2 31 3 ...
Page 358: ... 357 Memo ...
Page 361: ... 360 Wiring Diagram 10 10 1 2 4 way cassette type Cooling only AVMCC ...
Page 362: ... 361 Heat pump AVMCH ...
Page 369: ... 368 Wiring Diagram 10 070F This Document can not be used without Samsung s authorization ...
Page 370: ... 369 Wiring Diagram 080 100 This Document can not be used without Samsung s authorization ...
Page 371: ... 370 Wiring Diagram 10 100F This Document can not be used without Samsung s authorization ...
Page 373: ... 372 Wiring Diagram 10 080 100 This Document can not be used without Samsung s authorization ...
Page 374: ... 373 Wiring Diagram 100F This Document can not be used without Samsung s authorization ...
Page 385: ... 384 Schematic Diagram 11 050 This Document can not be used without Samsung s authorization ...
Page 389: ... 388 Memo ...